Give IUPAC name of the following compound:

Write common names of the following compound:

Write common name of the following compound:

.

Write the structure of the following compound.

Isopentane

Write the most branched alkane hydrocarbon with the given molecular formula.

${\mathrm{C}}_4{\mathrm{H}}_{10}$

Write the most branched alkane hydrocarbon with the given molecular formula. 

${\mathrm{C}}_5{\mathrm{H}}_{12}$

Write the most branched alkane hydrocarbon with the given molecular formula. 

${\mathrm{C}}_6{\mathrm{H}}_{14}$

Write the most branched alkane hydrocarbon with the given molecular formula. 

${\mathrm{C}}_7{\mathrm{H}}_{16}$